Which of the following belongs to "pain killers"?

Options

A. Sedatives
B. Opiates
C. Hallucinogens
D. Stimulants

Answer

To determine which of the following belongs to "pain killers," we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Definition**: Painkillers are also known as analgesics. They are medications that relieve pain by acting on the central nervous system (CNS) and the gastrointestinal (GI) tract.

2. **Mechanism of Action**: Painkillers work by binding to specific receptors in the CNS and GI tract. This binding helps to alleviate pain, which is why they are referred to as analgesics.

3. **Identify the Options**: Look at the provided options and identify which one is classified as a painkiller. Common categories of painkillers include non-steroidal anti-inflammatory drugs (NSAIDs), acetaminophen, and opiates.

4. **Select the Correct Option**: Among the options given, identify which one falls under the category of opiates, as these are known to be effective analgesics.

5. **Conclusion**: The correct answer is the option that lists opiates, as they are a class of drugs specifically recognized as painkillers.

### Final Answer:
The option that belongs to "pain killers" is **opiate**.

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